testo 558s digital manifold - perform wireless measurements on refrigeration, air conditioning systems and heat pumps. testo 558s connects via Bluetooth to wireless temperature and vacuum probes and provides an efficient setup for everyday service work.

User Experience
The testo 558s manifold delivers intuitive operation through a touchscreen and large color display that simplifies configuration, control and documentation. When gloves are required, keys offer an alternative method to navigate menus quickly.

Refrigerant Compatibility
The testo 558s is compatible with Class A3 and A2L flammable refrigerants. With more than 96 refrigerants stored in the device, technicians can access all common types and assign favorites for faster selection.

Data Management
Technicians can export measurement data and generate reports directly through the testo Smart App, allowing full documentation to be completed on site.

Application Range
Superheating, subcooling, tightness testing, Delta T checks, evacuation and filling can all be run through the manifold. Its connectivity across the refrigeration portfolio keeps workflows unified and efficient.

Durability
A robust IP54 protection class ensures long service life and reliable operation in demanding environments.

Updates
Free OTA updates keep the manifold current by adding new refrigerants and expanding compatibility with additional tools.

Standard set: testo 558s digital manifold, 2 x testo 115i wireless clamp thermometers, 1 x testo 552i wireless vacuum probe, transport case, USB-C cable, testo Smart App, calibration protocol, instruction manual.